remove dead link as pointed out by Denis Vlasenko

docs/uclibc.org/FAQ.html

@@ -336,9 +336,7 @@ How could it be smaller and not suck?</a></h2>
     <p>
 
     Each of these uClibc development systems was created using
-    <a href="http://buildroot.uclibc.org/">buildroot</a>, specifically,
-    <a href="http://www.uclibc.org/downloads/buildroot.tar.bz2">buildroot.tar.bz2</a>
-    along with <a href="http://www.uclibc.org/downloads/buildroot-sources">these sources</a>.
+    <a href="http://buildroot.uclibc.org/">buildroot</a>.
 
     <p>